leave well enough alone
US /liːv wɛl ɪˈnʌf əˈloʊn/
UK /liːv wɛl ɪˈnʌf əˈloʊn/
1.
別多管閒事, 保持現狀
to allow a situation to remain as it is, because trying to improve it might make things worse
:
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The old system works fine, so let's leave well enough alone.
舊系統運行良好，所以我們還是別多管閒事了。
•
I wanted to offer advice, but decided to leave well enough alone.
我本想提供建議，但決定還是別多管閒事了。